# HK P.4 Math vs Aero Gamifies

The clearest difference is update cadence: Aero Gamifies at every 3 weeks against HK P.4 Math's every 9 months. HK P.4 Math's advantage is iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HK P.4 Math sells 1 one-off in-app purchase and Aero Gamifies sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

HK P.4 Math ships an update every 9 months, Aero Gamifies every 3 weeks. Both last shipped on October 13, 2026.

## The numbers

| Metric | HK P.4 Math | Aero Gamifies |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 1.2 GB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yik Lam Leung](https://appshunter.io/developer/1215582728) | [Aerosim (HK) Ltd](https://appshunter.io/developer/1550573613) |

## What reviewers say

### HK P.4 Math

[App page](https://appshunter.io/ios/app/hk-p4-math/id1454251214)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HK P.4 Math(Full Version) | $0.99 | one-time |


### Aero Gamifies

[App page](https://appshunter.io/ios/app/aero-gamifies/id1551777175)

This educational app uses gamified learning to supplement aviation curriculum for students and teachers. It features aircraft introductions, minigames, and a typhoon simulator to enhance understanding of aviation technology.

**Highlights:** Aircraft introduction modules, Interactive minigames, Marshaller demonstration, Learning management system, Typhoon simulator

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Coins | $0.99 | one-time |
| 120 Coins | $1.99 | one-time |
| 280 Coins | $2.99 | one-time |
| 640 Coins | $5.99 | one-time |
| 1440 Coins | $12.99 | one-time |


## Frequently asked questions

### Is HK P.4 Math free?

HK P.4 Math is free to download, with in-app purchases available.

### Is Aero Gamifies free?

Aero Gamifies is free to download, with in-app purchases available.

### Do HK P.4 Math or Aero Gamifies have ads?

Neither HK P.4 Math nor Aero Gamifies shows ads.

### Which is updated more often, HK P.4 Math or Aero Gamifies?

HK P.4 Math ships an update every 9 months, and Aero Gamifies every 3 weeks. Most recently, HK P.4 Math was updated on October 13, 2026 and Aero Gamifies on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*